Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
227-800 7 Frederick MD 876D ONVOY, LLC - MD 240   2025-03-02   
240-202 A Highfield MD 876D ONVOY, LLC - MD 240      
240-202 1 Highfield MD 876D ONVOY, LLC - MD 240   2020-07-25   
240-202 2 Highfield MD 876D ONVOY, LLC - MD 240   2020-07-25   
240-202 3 Highfield MD 876D ONVOY, LLC - MD 240   2020-10-17   
240-202 4 Highfield MD 876D ONVOY, LLC - MD 240   2020-10-17   
240-202 6 Highfield MD 876D ONVOY, LLC - MD 240   2023-04-17   
240-226 A Oakland MD 876D ONVOY, LLC - MD 240      
240-226 1 Oakland MD 876D ONVOY, LLC - MD 240   2020-09-13   
240-226 2 Oakland MD 876D ONVOY, LLC - MD 240   2020-09-13   
240-226 4 Oakland MD 876D ONVOY, LLC - MD 240   2023-06-16   
240-226 5 Oakland MD 876D ONVOY, LLC - MD 240   2021-04-02   
240-226 6 Oakland MD 876D ONVOY, LLC - MD 240   2021-04-02   
240-226 7 Oakland MD 876D ONVOY, LLC - MD 240   2021-07-11   
240-240 1 Damascus (Hagerstown LATA) MD 876D ONVOY, LLC - MD 240   2021-04-29   
240-240 2 Damascus (Hagerstown LATA) MD 876D ONVOY, LLC - MD 240   2021-05-21   
240-240 3 Damascus (Hagerstown LATA) MD 876D ONVOY, LLC - MD 240   2021-05-21   
240-240 6 Damascus (Hagerstown LATA) MD 876D ONVOY, LLC - MD 240   2021-09-20   
240-240 7 Damascus (Hagerstown LATA) MD 876D ONVOY, LLC - MD 240   2021-09-20   
240-288 2 Thurmont MD 876D ONVOY, LLC - MD 240   2024-03-07   
240-301 A Clear Spring MD 876D ONVOY, LLC - MD 240      
240-301 0 Clear Spring MD 876D ONVOY, LLC - MD 240   2021-04-29   
240-301 1 Clear Spring MD 876D ONVOY, LLC - MD 240   2020-08-08   
240-301 2 Clear Spring MD 876D ONVOY, LLC - MD 240   2020-08-08   
240-301 3 Clear Spring MD 876D ONVOY, LLC - MD 240   2020-10-17   
240-301 4 Clear Spring MD 876D ONVOY, LLC - MD 240   2020-10-17   
240-301 5 Clear Spring MD 876D ONVOY, LLC - MD 240   2021-03-04   
240-301 7 Clear Spring MD 876D ONVOY, LLC - MD 240   2021-05-21   
240-301 8 Clear Spring MD 876D ONVOY, LLC - MD 240   2021-04-29   
240-307 4 Emmitsburg MD 876D ONVOY, LLC - MD 240   2016-09-12   
240-307 5 Emmitsburg MD 876D ONVOY, LLC - MD 240   2016-09-12   
240-341 5 Buckeystown MD 876D ONVOY, LLC - MD 240   2016-09-12   
240-341 8 Buckeystown MD 876D ONVOY, LLC - MD 240   2016-09-12   
240-343 9 Hancock MD 876D ONVOY, LLC - MD 240   2016-09-12   
240-366 0 Williamsport MD 876D ONVOY, LLC - MD 240   2016-09-13   
240-366 2 Williamsport MD 876D ONVOY, LLC - MD 240   2016-09-13   
240-410 1 Cumberland MD 876D ONVOY, LLC - MD 240   2021-05-21   
240-410 5 Cumberland MD 876D ONVOY, LLC - MD 240   2021-07-11   
240-410 6 Cumberland MD 876D ONVOY, LLC - MD 240   2021-07-11   
240-442 4 Oakland MD 876D ONVOY, LLC - MD 240   2024-03-14   
240-442 9 Oakland MD 876D ONVOY, LLC - MD 240   2020-06-04   
240-451 A Thurmont MD 876D ONVOY, LLC - MD 240      
240-451 8 Thurmont MD 876D ONVOY, LLC - MD 240   2016-10-02   
240-451 9 Thurmont MD 876D ONVOY, LLC - MD 240   2016-10-02   
240-488 3 Oakland MD 876D ONVOY, LLC - MD 240   2016-09-13   
240-488 5 Oakland MD 876D ONVOY, LLC - MD 240   2016-09-13   
240-549 5 Frederick MD 876D ONVOY, LLC - MD 240   2017-11-11   
240-549 6 Frederick MD 876D ONVOY, LLC - MD 240   2017-11-11   
240-569 5 Flintstone MD 876D ONVOY, LLC - MD 240   2020-01-06   
240-569 8 Flintstone MD 876D ONVOY, LLC - MD 240   2020-01-06   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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